# GPS Monster vs CallApp

The clearest difference is in-app purchases: GPS Monster at none against CallApp's 13. GPS Monster also leads on ads (none vs shown) and rating (5.0 vs 4.6). CallApp's advantage is update cadence (fortnightly vs every 4 months) and ratings volume (715 vs 1). On price and device support there is nothing between them.

Both are free to download. CallApp sells 8 in-app purchases, starting at $6.99 per month. GPS Monster asks for nothing beyond the download.

GPS Monster holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: CallApp has 715 ratings behind it against 1, so its average is the more settled of the two.

GPS Monster ships an update every 4 months, CallApp fortnightly. The most recent releases landed on September 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | GPS Monster | CallApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gps-monster/id1578891519/reviews)** | [4.6 (715 ratings)](https://appshunter.io/ios/app/callapp/id6739289261/reviews) |
| Number of ratings | 1 | **715** |
| Positive reviews | — | 56.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 236 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Datasoft Ltda.](https://appshunter.io/developer/1035131285) | [CallApp](https://appshunter.io/developer/1784700170) |

## What reviewers say

### GPS Monster

[App page](https://appshunter.io/ios/app/gps-monster/id1578891519)

Monitor your vehicle's location and receive real-time alerts for various events like door openings, impacts, and geofence breaches. Remotely control your vehicle's ignition for added security and peace of mind.

**Highlights:** Vehicle tracking, Remote ignition control, Switch/key open alerts, Door open alerts, Impact detection, Speeding alerts, Geofence entry/exit notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### CallApp

[App page](https://appshunter.io/ios/app/callapp/id6739289261)

Identify unknown callers and block unwanted calls with an advanced caller ID. Access a global database of billions of numbers to know who is calling before you answer. Protect your privacy and security with this powerful call management tool.

**Highlights:** Advanced caller ID, Identify unknown numbers, Block spam calls, Global number database, Privacy and security focused, Unwanted call protection

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| Yearly | $29.99 | per year |
| Yearly | $29.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $59.99 | per year |


## Frequently asked questions

### Is GPS Monster free?

GPS Monster is free to download, with no in-app purchases.

### Is CallApp free?

CallApp is free to download, with in-app purchases available.

### Which has better reviews, GPS Monster or CallApp?

GPS Monster is rated higher. GPS Monster averages 5.0 out of 5 from 1 ratings, while CallApp averages 4.6 from 715 ratings.

### Do GPS Monster or CallApp have ads?

CallApp shows ads; GPS Monster does not.

### Which is updated more often, GPS Monster or CallApp?

GPS Monster ships an update every 4 months, and CallApp fortnightly. Most recently, GPS Monster was updated on September 13, 2026 and CallApp on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*